Re: [ROOT] Interactive minuit access from ROOT?

From: Rene Brun (Rene.Brun@cern.ch)
Date: Sun Dec 02 2001 - 22:39:19 MET


Use the global gMinuit

Rene Brun

On Sun, 2 Dec 2001, Arthur E. Snyder wrote:

> Thanks, Rene. Can you tell me how I access TMinuit object when I'm fitting a
> histogram? I don't find an assessor either in TF1 or TH1. I've also looked
> up the inheritance tree but don't find anything that looks like the right
> thing.
> 
> Art
> 
> 
> 
> ----- Original Message -----
> From: "Rene Brun" <brun@pcbrun.cern.ch>
> To: "Arthur E. Snyder" <snyder@SLAC.Stanford.EDU>
> Cc: <roottalk@pcroot.cern.ch>
> Sent: Sunday, December 02, 2001 9:49 AM
> Subject: Re: [ROOT] Interactive minuit access from ROOT?
> 
> 
> > Hi Art,
> >
> > The direct equivalent of PAW option "M" does not exist.
> > However, you can invoke any function from TMinuit directly.
> > This should provide even more flexibility at the expense
> > of slightly more typing.
> >
> > Rene Brun
> >
> > On Sat, 1 Dec 2001, Arthur E. Snyder wrote:
> >
> > > Try again to post this with more sensible subject line!
> > >
> > > ----- Original Message -----
> > > From: "Arthur E. Snyder" <snyder@SLAC.Stanford.EDU>
> > > To: <roottalk@pcroot.cern.ch>
> > > Sent: Saturday, December 01, 2001 12:29 AM
> > > Subject: Re: [ROOT] tiny Bug in root
> > >
> > >
> > > > Is it possible to invoke interactive minuit from within ROOT? I.e.,
> the
> > > > equivalent of 'h/fit 100 myfunc.f m' in paw? The ROOT fit provides
> most of
> > > > the options of paw, but not this one. The 'm' option in ROOT seems to
> be
> > > > something different.
> > > >
> > > > I've looked in TMinuit, TF, and TH1 classes, but have not been able to
> > > find
> > > > anyway to get to the interactive interface of minuit or some
> alternative.
> > > >
> > > > Art Snyder at SLAC
> > > >
> > > >
> > > >
> > >
> > >
> 



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